Neopost ISINK2 Red Ink Cartridge for Neopost IS280 Postage Meters Discount Supply and others do not sell Postageink products. Make sure it is sold and shipped by Postageink or Fulfilled by Amazon for True Quality! ISINK2 (OEM) Sure.jet # 4145144H Neopost Ink Cartridge is a compatible direct replacement for Neopost IS280 Postage Meter Total Imprints 2,500 or 12 Months / Red Ink Cartridge, 1 per box Free Same Day Shipping by Amazon! Postageink only sells Postage Meter Ink and Guarantees our Products 100%. Make sure it's shipping from Postageink or Fulfilled by Amazon!